Top answers

how to sketch a funtion f(x)

1 find the domain of the function (where it exist) 2 find the solutions of the function, solve f(x)=0 3 if it has vertical asyntotes (poles) identify them (eg the denomitator=0) 4 find the intesections with ...
AF
Answered by Andrea F. • Maths tutor
3758 Views

What are the features of ATP which lead it to being termed the 'universal currency' of the cell?

Adenosine triphosphate (ATP for short) is used to provide the energy for many cellular functions - by both animal and plant cells - as cells are unable to source their energy directly from sugars such as glu...
EB
Answered by Edward B. • Biology tutor
31236 Views

How do I convert cartesian coordinates into polar coordinates?

Polar coordinates are expressed in the form (r,θ), where r is the distance of the point, P, from the origin, and θ (usually expressed in radians) is the angle between the line joining the point to the origin...
GW
4492 Views

How do you explain why puddles evaporate on cold days ?

Temperature is a measure of the average kinetic energy of an object. We can approximate this average kinetic energy using the relationship E≈kT. Where k is the boltzmann constant and T is the absolute temper...
ST
Answered by Sam T. • Physics tutor
7691 Views

Find roots 'a' and 'b' of the quadratic equation 2(x^2) + 6x + 7 = 0

We know to find roots of any quadratic equation we use the quadratic formula, [-b +- (b^2 - 4ac)^(1/2)]/2a where a=2, b=6, and c=7. Plug these values in and we obtain, [-6 +- (-20)^(1/2)]/4. [Remember for im...
SN
3601 Views